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Recognised as Colour

#003BF0

  • #003BF0
  • Blue
  • Dark
  • Nearest: Medium blue

#003BF0 is a blue with RGB values 0, 59, 240 and HSL 225°, 100%, 47%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#003BF0#003BF0
HEX#003BF0
RGBrgb(0, 59, 240)
RGB (0–1)0, 0.2314, 0.9412
RGB percentages0%, 23.1%, 94.1%
HSLhsl(225.3, 100%, 47.1%)
HSV / HSBhsv(225.3, 100%, 94.1%)
CMYK100%, 75.4%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,344
CSS custom property--colour: #003BF0;

Brightness & contrast

Relative luminance0.09419WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.28:1
Contrast with white7.28:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FFC40F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062F5no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#004BEDno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#007294no blue cones; rare, and affects men and women equally; ΔE 96.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.28:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.4Blue violet · ΔE 22.8Blue · ΔE 28.6Dark violet · ΔE 29.9Dark blue · ΔE 32.5Dark orchid · ΔE 33.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F0B500
Analogous#00B3F0, #3D00F0
Triadic#F0003B, #3BF000
Split complementary#F03D00, #B3F000
Tetradic#F000B3, #F0B500, #00F03D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDCDFF
Lighter +30%#8AA7FF
Lighter +20%#5780FF
Lighter +10%#245AFF
Darker −10%#002EBD
Darker −20%#00228A
Darker −30%#001557
Darker −40%#000924
More saturated +25%#003BF0
Less saturated −25%#1E4AD2

Channel breakdown

R0
G59
B240
Red0 (0%)
Green59 (23.1%)
Blue240 (94.1%)
Hue225.25°
Saturation (HSL)100%
Lightness47.06%
Dominant channelBlue
Hex per channelR 00 · G 3B · B F0

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Every value on this page was computed from “003bf0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.